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Directory:One Laptop Per Child

Lasted edited by Andrew Munsey, updated on June 15, 2016 at 1:22 am.

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Comes with a solar panel to recharge the battery.

:"Many years and an infinite amount of sweat equity went into the creation of the XO laptop. Designed collaboratively by experts from academia and industry, the XO is the product of the very best thinking about technology and learning. It was designed with the real world in mind, considering everything from extreme environmental conditions such as high heat and humidity, to technological issues such as local-language support. As a result, the XO laptop is extremely durable, brilliantly functional, energy-efficient, responsive, and fun.

:"With the XO laptop, children aren’t just learning about the world around them. They are actively learning about learning. Knowledge becomes a part of the journey instead of being simply the end goal. By discovering how to use their XO laptop in new ways and exploring new ideas, children are constantly engaged in a process of learning by doing. And those who are further along in their development can assist other learners, therefore learning by teaching." -- Laptop Giving


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Official Website




Child Fit

Operating System


Latest Developments

May 20, 2008

OLPC unveiled its plans for the 2nd generation XO. The XO-2 (or XOXO) is targeted for 2010 at the cost of $75. So far only a few details were unveiled. One is that it will consist of two multitouch-sensitive displays, and other is that can be used as a normal laptop (having one of the screens as a keyboard) or an e-book (each screen displaying one page).

April 22, 2008

Walter Bender, who was the former President of Software and Content for the OLPC project, stepped down from his post and left OLPC to found Sugar Labs. Bender reportedly had a disagreement with Nicholas Negroponte, the pioneer of the project itself, about the future of the OLPC and their future partnerships. Nicholas Negroponte also showed some doubt about the exclusive use of open source software for the project and made suggestions supporting a move towards adding Windows XP which Microsoft was in the process of porting over to the XO hardware. Microsoft's Windows XP, however, is not seen by some as a sustainable operating system. Microsoft announced on May 16, 2008 that Windows XP would be offered as an option on XO-1 laptops and possibly be able to dual boot alongside Linux. There was an error working with the wiki: Code[1]

How it Works

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Battery and power - OLPC has put a lot of effort into building a device with very low power consumption as it will be used in areas with poor or non-existent power infrastructure, with electricity often very expensive for the user.

As first conceived, the XO laptop display used LCOS (liquid crystal on silicon) in the form of a projector. Nicholas Negroponte demonstrated the concept in early 2005, using a set of black sticks sliding across a frame to convey some sense of how the folding optics would work.

The laptop began to evolve in June of that year, when Mary Lou Jepsen, newly named as acting CTO, began considering a dual-mode display: one a conventional color LED laptop screen, the other a sunlight-readable, black-and-white e-book. The concept made abundant sense for the developing world, where outdoor classes are common and the cost of shipping textbooks is a major expense.

At a July board meeting, Design Continuum presented an array of innovative prototype designs that would lead, by November 2005, to the famous “green machine?, with its distinctive pencil-yellow crank, which was unveiled to the world by UN Secretary General Kofi Annan at the World Summit on the Information Society at Tunis.

The yellow crank, while cute, in the end proved impractical it migrated to the AC adapter as it also morphed into one or more other types of human-power devices. Its status as an icon for OLPC would be supplanted by the mesh-network antennas, or “ears.? At the same time, Quanta Computer, our ODM, made a strong case for fitting the laptop with a so-called transformer hinge to simplify the machine's transformations from classic laptop, to game device, to e-book reader. In the spring of 2006, Yves Behar, the noted San Francisco industrial designer, came aboard to complete the final design of the Generation-One XO.

In November of 2006, the first XO test machines, the B1 (Beta1), rolled off the Quanta assembly line in Shanghai.

In early 2007, the B2 iteration of XO, stronger, sturdier, with a slight increase in tilt, was ready for its debut. B3 followed in May 2007, and pallets of B4 machines arrived in OLPC offices on July 6, 2007.

Is 10 W the sweet spot under bright sun?

The FreeCharge 12V provides emergency power to a mobile phone, PDA, iPod, GPS receiver, or any other electronic device for which you have (or can get) a cigarette-lighter adapter. Wind its hand crank to generate electricity and put power straight into your device. Never be unable to use your mobile phone, or other important device, just because its battery has run down.

The XO laptop features a sealed, rubberized keyboard that was built specifically for harsh weather conditions, making it resilient to water, dust, and dirt. It’s scaled to accommodate child-sized hands and has a lighter touch than normal keyboards.


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60 Minutes Video series


(4.02 Minutes) - One Laptop Per Child David Pogue reviews the $100 laptop. (YouTube February 06, 2008)

_ _ _ _


(.31 Minutes) OLPC Give One Get One - Extended Through 12/31/07

From now through December 31, 2007, OLPC is offering a Give One Get One program in the United States and Canada. This is the first time the revolutionary XO laptop has been made available to the general public. For a donation of $399, one XO laptop will be sent to empower a child in a developing nation and one will be sent to the child in your life in recognition of your contribution. $200 of your donation is tax-deductible (your $399 donation minus the fair market value of the XO laptop you will be receiving). (YouTube December 01, 2007)

_ _ _ _


(6.01 Minutes) Inside One Laptop per Child: Episode one

This is the story of the litte green laptop that could. Meet the faces behind the One Laptop per Child initiative and see what they do every day in the Cambridge, MA office. Sit in on a brainstorming session. And find out what you can do to help. (YouTube March 26, 2007)

- - - -


(6.01 Minutes) one laptop per child XO prototype at siggraph 2007

matthew hockenberry of Creative Synthesis demonstrates the one laptop per child's fourth production prototype of the 'hundred-dollar laptop' at siggraph 2007 - video by leonardo bonanni of


-Yes, this is the hundred dollar laptop

-It actually costs about $140

-It is made by a private non-profit company based in Cambridge MA USA

-There is no hand-crank, but a variety of generators are being prototyped including a foot-pedal and a pull-string. (YouTube August 08, 2007)

_ _ _ _


(.39 Minutes) John Maeda Explains the $100 Laptop

John Maeda visiting The Washington Post, talking about the OLPC (One Laptop Per Child) $100 laptop. ( December 20, 2006)

_ _ _ _


(4.56 Minutes) Demo of first One Laptop Per Child prototype

Demonstration of the first working prototype of the One Laptop Per Child (OLPC) project (YouTube July 27, 2006)


$100 USD


Worldwide distribution


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Child instruction and individual learning anywhere, anytime

Independent Testing

Child-tested, Parent approved.


Self-refreshing display controller for a display device in a computational unit Application number: 11/726,785

:Abstract: A method, system and computer program product for a display system driving a display device is provided. The display system includes a processor, a primary display controller, a secondary display controller and the display device. The primary display controller receives display data that is sent by the processor. The primary display controller also drives the display device when the processor sends new display frames. When these display frames are sent by the processor continuously, control of the display device is switched to the secondary display controller, which is optimized for a low-power operation.

Artifact-free transitions between dual display controllers Application number: 11/726,776

:Abstract: A method, system and computer program product for driving a display device by a display system is provided. The display system includes a processor, a first display controller, a second display controller and the display device. The first display controller receives display frames that are sent by the processor. The first display controller drives the display device when the processor sends new display frames. When the same display frames are continually sent by the processor, the control of the display device is switched to the second display controller, which is optimized for low-power operation. The control of the display device is switched in proximity to an input vertical synchronization (V-sync) pulse.


Company: OLTC Foundation

In 2002, MIT Professor Nicholas Negroponte experienced first-hand how connected laptops transformed the lives of children and their families in a remote Cambodian village. A seed was planted: If every child in the world had access to a computer, what potential could be unlocked? What problems could be solved? These questions eventually led to the foundation of One Laptop per Child, and the creation of the XO laptop.

OLPC’s mission is to provide a means for learning, self-expression, and exploration to the nearly two billion children of the developing world with little or no access to education. While children are by nature eager for knowledge, many countries have insufficient resources to devote to education—sometimes less than $20 per year per child (compared to an average of $7,500 in the United States). By giving children their very own connected XO laptop, we are giving them a window to the outside world, access to vast amounts of information, a way to connect with each other, and a springboard into their future. And we’re also helping these countries develop an essential resource—educated, empowered children.


(.47 Minutes) Nicholas Negroponte Interview - One Laptop per Child (OLPC)

Interview with Nicholas Negroponte - Speaking on behalf of the One Laptop per Child Foundation (OLPC).

Nicholas Negroponte is founder and chairman of the One Laptop per Child non-profit organization. He is currently on leave from MIT, where he was co-founder and director of the MIT Media Laboratory, and the Jerome B. Wiesner Professor of Media Technology. (YouTube November 29, 2007)


Mark J. Foster, Mary Lou Jepsen, James Gettys, V. Michael Bove

It should be noted that the originator of the original laptop idea (not OLPC), is none other than our New Energy Congress advisor, Directory:James Dunn.



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Amazon To Rescue 'One Laptop Per Child' Program - The One Laptop Per Child Foundation is planning to repeat its "Give 1 Get 1" program again this holiday season, but this year it expects to eliminate the bottlenecks that plagued last year's program because Amazon (NSDQ: AMZN).com will deliver the inexpensive device. (InformationWEEK Sept. 5, 2008)


See Talk:Directory:One Laptop Per Child

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OLTC Foundation

For more information, please call 1-877-70-LAPTOP or visit Laptop Giving.

P.O. Box 425087

Cambridge, MA 02142


tel: 617-452-5663

E-Mail: []



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See also

OS - usually advanced, but some could be tailored to elementary or jr./high school level.

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Academy - Developing courses in alternative energy, from elementary through post-graduate level.


- Directory







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